computerhistory.org

Observed Jul 24, 2026, 18:16 UTC (1d ago). Every field below was attested with an Ed25519 signature at scan time. Catalog observation, re-checked on rotation — watch it for 5-minute checks.

Verify this receipt yourself + Watch this domain

Up right now

Runs onCloudflare

Email byMicrosoft 365

Secured byGoogle Trust Services

Registered withCloudflare, Inc.

Also usesDocuSignFacebook/MetaGoogle Search ConsoleSlack

IPv6 · 1 subdomain · tranco_20k

Every line above is a signed observation. Check the math at the bottom of the page.

No payload stored for this observation.

The proof

Signed at scan time. Check the math yourself. Every line above is part of one signed observation. Re-hash it and check the Ed25519 signature in your own browser; nothing leaves your machine.

Verify this receipt

Put the receipt on your own site. A live badge showing what DomainDrift observes and signs for computerhistory.org. It updates itself. It attests a signed observation - not that the site is safe.

<a href="https://domaindrift.io/t/computerhistory.org">
  <img src="https://domaindrift.io/badge/computerhistory.org.svg"
       width="300" height="64" alt="DomainDrift signed observations for computerhistory.org">
</a>

Ed25519 Receipt

Receipt ID: rcpt_042c1fd461a7f477
Output Hash: 35a7ba639adaf7a2fa2d2fdd20e8318b4dbe195eca334c27fd154ecdf9333001
Signature: ed25519:e8f7d1bda6f4207f74c206d852eb0fce691705b0ac29e46abfa63776c40419c2c564d43a28244553ceffd03b8cbcdf5a855ab75f6898153c24a29309f7427300
Public Key: ed25519:4859bb613d650e12dd7478cc307c73a8712fabc115a9dc59f65534ed3c09a8f9
Parent: (genesis)
Plane: fast

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Permalink: https://domaindrift.io/t/computerhistory.org